Ensure cross-platform compatibility across macOS (Intel/ARM), Ubuntu, and Fedora for this dotfiles repository. Detects and auto-fixes hardcoded paths, platform-specific assumptions, package availability issues, and test coverage gaps. Use when adding features, updating configs, bumping Nix flake, or investigating platform-specific bugs. Keywords: cross-platform, compatibility, macOS, Linux, Ubuntu, Fedora, platform, portability, Nix flake, Docker test, CI

Sync files between BobTheSkull5 and BobFast5 repositories, especially audio files and shared components. Use when syncing audio, copying static files, or managing dual-repo workflow.

Pattern for aggregating insights across multiple tasks to enable data-driven evolution.

Expert on MC6845 CRTC for ES-1841 video timing. Provides guidance on video timing, cursor control, display addressing, V-Blank detection, and CGA register programming.

Use when implementing compile-time metaprogramming in Crystal using macros for code generation, DSLs, compile-time computation, and abstract syntax tree manipulation.

.NET 8 and C# 12 specialist with expertise in ASP.NET Core, EF Core, and modern enterprise development. Use when building C# applications, working with .NET, implementing ASP.NET Core APIs, or using Entity Framework.

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR.

C# and Unity development standards for Mark's projects.

C# and .NET project workflow guidelines. Activate when working with C# files (.cs), .csproj, .NET projects, or C#-specific tooling.

name: Cross-Site Request Forgery (CSRF) Testing

Comprehensive workflow for CSS development using Tailwind + semantic component patterns. This skill automatically routes you to the appropriate specialized workflow based on context.

Analyze CSS coverage, identify unused rules, and detect stylesheet conflicts. Use after visual QA to optimize stylesheets before publication.

Deep CSS analysis tool for understanding specificity, cascade order, inheritance chains, and computed styles. Visualizes CSS complexity and suggests simplifications. Use when debugging specificity issues or understanding CSS behavior.

Precision CSS/styling modifications for pixel-perfect adjustments with Tailwind, CSS Modules, and plain CSS support

Guide for developing Storybook stories for CSS components in `@madogiwa-ui/css`.

Write modern, performant, maintainable CSS following current best practices with deep knowledge of browser compatibility and CSS specifications.

Solve CTF (Capture The Flag) challenges by analyzing challenge descriptions, source code, and interacting with challenge environments to capture flags.

Run CTS test suites and investigate failures

Scan and aggregate task checkboxes from Speckit (.specify/) and context-planning (specs/) formats into a unified backlog.yaml, with automatic project context analysis and auto-update capabilities.

ALWAYS USE when building semantic layer, working with metrics/dimensions, or integrating dbt with Cube consumption APIs. Use IMMEDIATELY when working with Cube REST API, GraphQL queries, or Postgres wire protocol (psycopg2 connections). Provides research steps for data modeling, dbt integration, MEASURE() syntax, and API validation.

Cucumber/Gherkin BDD testing for behavior-driven development workflows

Cucumber best practices, patterns, and anti-patterns

Comprehensive BDD testing with Cucumber and Gherkin syntax. Use when writing feature files (.feature), step definitions, hooks, or implementing Behaviour-Driven Development. Covers Gherkin keywords (Feature, Scenario, Given/When/Then, Background, Scenario Outline, Rule), step definition patterns for Ruby/JavaScript/Java/Python, hooks (Before/After/BeforeAll/AfterAll), tags, data tables, doc strings, and best practices. Triggers on cucumber, gherkin, BDD, feature files, step definitions, acceptance testing, executable specifications.

Writing effective step definitions and organizing test code

CUDA kernel development, debugging, and performance optimization for Claude Code. Use when writing, debugging, or optimizing CUDA code, GPU kernels, or parallel algorithms. Covers non-interactive profiling with nsys/ncu, debugging with cuda-gdb/compute-sanitizer, binary inspection with cuobjdump, and performance analysis workflows. Triggers on CUDA, GPU programming, kernel optimization, nsys, ncu, cuda-gdb, compute-sanitizer, PTX, GPU profiling, parallel performance.

Modern CSS standards covering essentials, responsive design, quality practices, and tooling for CUI projects

Tool usage patterns for non-prompting file operations - use Glob, Read, Grep instead of Bash commands to avoid user interruptions in all agents and commands

CDI and Quarkus development standards for CUI projects, including CDI aspects, container configuration, testing, and native optimization

CUI Java unit testing standards and patterns with JUnit 5, generators, and value object testing

Standards for identifying, prioritizing, and verifying JavaScript code maintenance and refactoring work

JavaScript project structure, package.json configuration, dependency management, and Maven integration standards for consistent project setup and builds

Jest unit testing standards covering configuration, test structure, testing patterns, and coverage requirements

CUI logging standards with CuiLogger, LogRecord patterns, and DSL-style LogMessages classes

Maintain and synchronize requirements and specifications with comprehensive validation

Generate ready-to-run cURL commands for quick API testing from the command line.

Update CURRENT-FOCUS.md by combining Linear cycle data, git history, test results, and chat context analysis. Prioritize work and identify gaps.

Create diverse, well-constructed assessment items that validly measure learning objectives with proper alignment, difficulty, and quality standards.

Validate IMS Common Cartridge 1.3 packages for specification compliance, structural integrity, and LMS compatibility before delivery.

Provides comprehensive development rules and guidelines for Cursor project development. Use when working on Cursor projects, setting up development environments, or implementing coding standards.

You are an expert in creating Agent Skills following Cursor's pattern.

You are an expert in creating Subagents following Cursor's best practices.

Apply the complete CURV Tools design system to all visual outputs - dashboards, reports, HTML artifacts, and data visualizations. Includes exact colors from production tools (rgb(3, 12, 27) dark background, rgb(157, 78, 221) purple accent), glassmorphic effects, gradient borders, header/footer templates, and animation patterns used in GL Decoder and SQPR Analyser.

Design custom agents from scratch using Claude Agent SDK patterns. Use when building domain-specific agents, designing agents with full SDK control, or creating specialized agents with custom tools and prompts.

Define and use custom HTML elements. Use when creating new components, defining custom tags, or using project-specific elements beyond standard HTML5.

Jobs-to-be-Done (JTBD) customer persona development with priority matrix, buying journey mapping, and decision criteria analysis. Creates actionable buyer personas for product and marketing decisions.

Expert guidance for improving customer service assistants. Use when optimizing UX, response time, tone, wording, conversation flow, or evaluating customer service quality.

Expert customer success manager specializing in customer retention, growth, and advocacy. Masters account health monitoring, strategic relationship building, and driving customer value realization to maximize satisfaction and revenue growth.

Componentes de UI para clientes seguindo o padrão de components do Easy Budget.